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1980 Jaguar XJS How to improve oil pressure?

Tiny
IVANTONI
  • MEMBER
  • 1980 JAGUAR XJS
  • V12
  • 2WD
  • AUTOMATIC
  • 155,000 MILES
Hi there,

I am a Jag enthusiast and ive just recently bought an xjs jaguar v12 with about 155,000kms on the clock, the car seems to be running well as far as water cooling as the temperature hangs about the half way mark. However not so sure about oil pressure because after starting the car from cold the oil pressure gauge sits about the half way mark but after about half an hour of driving the oil pressure shows close to the '1' and '0' mark!

As I have just bought this car my question is what are some steps I could take to kerb the low oil pressure? Should I just take it to a professional for a good service or is their a more simple solution?

cheers
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Friday, September 19th, 2008 AT 11:48 PM

3 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Check the oil pressure with a mechanical gauge if normal replace the oil pressure switch-abnormal readings could indicate a problem with oil pump/engine bearings/oil galleries/sludges etc
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Saturday, September 20th, 2008 AT 1:04 AM
Tiny
JACSPEED
  • MEMBER
  • 2 POSTS
If the engine is already warm, to 800-900 rev/minute, low pressure is normal, but accelerating, it must go up.
Bye. Mark
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Monday, January 5th, 2009 AT 11:22 AM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Good theory-but when it goes beyond the limit then you have a problem
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Monday, January 5th, 2009 AT 1:23 PM

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